From: François Romieu <romieu@fr.zoreil.com>
Date: Tue, 13 Apr 2004 10:25:05 +0000 (-0400)
Subject: [PATCH] r8169: correct irq handler return value
X-Git-Tag: v2.6.6-rc1~28^2~1
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=8d6eb2db8f64d2811dd992a4b0216e2a71fcb5b4;p=history.git

[PATCH] r8169: correct irq handler return value

The irq handler must not return 1 when the status register is null
during the firt iteration.
---

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index ec1769dd243c..67b5d541dd74 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1537,8 +1537,8 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 	do {
 		status = RTL_R16(IntrStatus);
 
-		/* h/w no longer present (hotplug?) or major error, bail */
-		if (status == 0xFFFF)
+		/* hotplug/major error/no more work/shared irq */
+		if ((status == 0xFFFF) || !status)
 			break;
 
 		handled = 1;